/Engine/Plugins/Enterprise/LidarPointCloud/Source/LidarPointCloudRuntime/Public/LidarPointCloud.h
Returns an estimate of how much data would be retrieved by GetPhysicsTriMeshData.
true if successful, false if unable to successfully fill in data structure
virtual bool GetTriMeshSizeEstimates ( struct [FTriMeshCollisionDataEstimates](API\Runtime\PhysicsCore\FTriMeshCollisionDataEstimates) & OutTriMeshEstimates, bool bInUseAllTriData ) const